[dpdk-dev] [PATCH 07/60] common/sfc_efx/base: use EF10 MCDI methods for Riverhead

[Andrew Rybchenko <arybchenko@solarflare.com>]

MCDI on Riverhead is very close to the EF10 and there is no
point to duplicate the code.

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@xilinx.com>
---
 drivers/common/sfc_efx/base/ef10_mcdi.c | 46 ++++++++++++++++++++-----
 drivers/common/sfc_efx/base/efx.h       |  8 ++---
 drivers/common/sfc_efx/base/efx_impl.h  |  4 +--
 drivers/common/sfc_efx/base/efx_mcdi.c  | 21 +++++++++++
 4 files changed, 65 insertions(+), 14 deletions(-)

diff --git a/drivers/common/sfc_efx/base/ef10_mcdi.c b/drivers/common/sfc_efx/base/ef10_mcdi.c
index 9e8a0c1f69..727f14826e 100644
--- a/drivers/common/sfc_efx/base/ef10_mcdi.c
+++ b/drivers/common/sfc_efx/base/ef10_mcdi.c
@@ -8,7 +8,7 @@
 #include "efx_impl.h"
 
 
-#if EFX_OPTS_EF10()
+#if EFSYS_OPT_RIVERHEAD || EFX_OPTS_EF10()
 
 #if EFSYS_OPT_MCDI
 
@@ -27,7 +27,7 @@ ef10_mcdi_init(
 	efx_dword_t dword;
 	efx_rc_t rc;
 
-	EFSYS_ASSERT(EFX_FAMILY_IS_EF10(enp));
+	EFSYS_ASSERT(EFX_FAMILY_IS_EF100(enp) || EFX_FAMILY_IS_EF10(enp));
 	EFSYS_ASSERT(enp->en_features & EFX_FEATURE_MCDI_DMA);
 
 	/*
@@ -53,7 +53,16 @@ ef10_mcdi_init(
 		goto fail2;
 	}
 	EFX_POPULATE_DWORD_1(dword, EFX_DWORD_0, 1);
-	EFX_BAR_WRITED(enp, ER_DZ_MC_DB_HWRD_REG, &dword, B_FALSE);
+	switch (enp->en_family) {
+#if EFSYS_OPT_RIVERHEAD
+	case EFX_FAMILY_RIVERHEAD:
+		EFX_BAR_WRITED(enp, ER_GZ_MC_DB_HWRD_REG, &dword, B_FALSE);
+		break;
+#endif	/* EFSYS_OPT_RIVERHEAD */
+	default:
+		EFX_BAR_WRITED(enp, ER_DZ_MC_DB_HWRD_REG, &dword, B_FALSE);
+		break;
+	}
 
 	/* Save initial MC reboot status */
 	(void) ef10_mcdi_poll_reboot(enp);
@@ -133,7 +142,7 @@ ef10_mcdi_send_request(
 	efx_dword_t dword;
 	unsigned int pos;
 
-	EFSYS_ASSERT(EFX_FAMILY_IS_EF10(enp));
+	EFSYS_ASSERT(EFX_FAMILY_IS_EF100(enp) || EFX_FAMILY_IS_EF10(enp));
 
 	/* Write the header */
 	for (pos = 0; pos < hdr_len; pos += sizeof (efx_dword_t)) {
@@ -154,11 +163,29 @@ ef10_mcdi_send_request(
 	/* Ring the doorbell to post the command DMA address to the MC */
 	EFX_POPULATE_DWORD_1(dword, EFX_DWORD_0,
 	    EFSYS_MEM_ADDR(esmp) >> 32);
-	EFX_BAR_WRITED(enp, ER_DZ_MC_DB_LWRD_REG, &dword, B_FALSE);
+	switch (enp->en_family) {
+#if EFSYS_OPT_RIVERHEAD
+	case EFX_FAMILY_RIVERHEAD:
+		EFX_BAR_WRITED(enp, ER_GZ_MC_DB_LWRD_REG, &dword, B_FALSE);
+		break;
+#endif	/* EFSYS_OPT_RIVERHEAD */
+	default:
+		EFX_BAR_WRITED(enp, ER_DZ_MC_DB_LWRD_REG, &dword, B_FALSE);
+		break;
+	}
 
 	EFX_POPULATE_DWORD_1(dword, EFX_DWORD_0,
 	    EFSYS_MEM_ADDR(esmp) & 0xffffffff);
-	EFX_BAR_WRITED(enp, ER_DZ_MC_DB_HWRD_REG, &dword, B_FALSE);
+	switch (enp->en_family) {
+#if EFSYS_OPT_RIVERHEAD
+	case EFX_FAMILY_RIVERHEAD:
+		EFX_BAR_WRITED(enp, ER_GZ_MC_DB_HWRD_REG, &dword, B_FALSE);
+		break;
+#endif	/* EFSYS_OPT_RIVERHEAD */
+	default:
+		EFX_BAR_WRITED(enp, ER_DZ_MC_DB_HWRD_REG, &dword, B_FALSE);
+		break;
+	}
 }
 
 	__checkReturn	boolean_t
@@ -210,6 +237,9 @@ ef10_mcdi_poll_reboot(
 
 	old_status = emip->emi_mc_reboot_status;
 
+	EFX_STATIC_ASSERT(ER_DZ_BIU_MC_SFT_STATUS_REG_OFST ==
+	    ER_GZ_MC_SFT_STATUS_OFST);
+
 	/* Update MC reboot status word */
 	EFX_BAR_TBL_READD(enp, ER_DZ_BIU_MC_SFT_STATUS_REG, 0, &dword, B_FALSE);
 	new_status = dword.ed_u32[0];
@@ -255,7 +285,7 @@ ef10_mcdi_feature_supported(
 	uint32_t privilege_mask = encp->enc_privilege_mask;
 	efx_rc_t rc;
 
-	EFSYS_ASSERT(EFX_FAMILY_IS_EF10(enp));
+	EFSYS_ASSERT(EFX_FAMILY_IS_EF100(enp) || EFX_FAMILY_IS_EF10(enp));
 
 	/*
 	 * Use privilege mask state at MCDI attach.
@@ -316,4 +346,4 @@ ef10_mcdi_feature_supported(
 
 #endif	/* EFSYS_OPT_MCDI */
 
-#endif	/* EFX_OPTS_EF10() */
+#endif	/* EFSYS_OPT_RIVERHEAD || EFX_OPTS_EF10() */
diff --git a/drivers/common/sfc_efx/base/efx.h b/drivers/common/sfc_efx/base/efx.h
index 2082efe023..c7fe814ca0 100644
--- a/drivers/common/sfc_efx/base/efx.h
+++ b/drivers/common/sfc_efx/base/efx.h
@@ -243,8 +243,8 @@ efx_nic_check_pcie_link_speed(
 
 #if EFSYS_OPT_MCDI
 
-#if EFX_OPTS_EF10()
-/* EF10 architecture NICs require MCDIv2 commands */
+#if EFSYS_OPT_RIVERHEAD || EFX_OPTS_EF10()
+/* EF10 architecture and Riverhead NICs require MCDIv2 commands */
 #define	WITH_MCDI_V2 1
 #endif
 
@@ -1438,11 +1438,11 @@ typedef struct efx_nic_cfg_s {
 #if EFSYS_OPT_BIST
 	uint32_t		enc_bist_mask;
 #endif	/* EFSYS_OPT_BIST */
-#if EFX_OPTS_EF10()
+#if EFSYS_OPT_RIVERHEAD || EFX_OPTS_EF10()
 	uint32_t		enc_pf;
 	uint32_t		enc_vf;
 	uint32_t		enc_privilege_mask;
-#endif /* EFX_OPTS_EF10() */
+#endif /* EFSYS_OPT_RIVERHEAD || EFX_OPTS_EF10() */
 	boolean_t		enc_bug26807_workaround;
 	boolean_t		enc_bug35388_workaround;
 	boolean_t		enc_bug41750_workaround;
diff --git a/drivers/common/sfc_efx/base/efx_impl.h b/drivers/common/sfc_efx/base/efx_impl.h
index f891172086..c7edeaa000 100644
--- a/drivers/common/sfc_efx/base/efx_impl.h
+++ b/drivers/common/sfc_efx/base/efx_impl.h
@@ -37,9 +37,9 @@
 #include "medford2_impl.h"
 #endif	/* EFSYS_OPT_MEDFORD2 */
 
-#if EFX_OPTS_EF10()
+#if EFSYS_OPT_RIVERHEAD || EFX_OPTS_EF10()
 #include "ef10_impl.h"
-#endif	/* EFX_OPTS_EF10() */
+#endif	/* EFSYS_OPT_RIVERHEAD || EFX_OPTS_EF10() */
 
 #ifdef	__cplusplus
 extern "C" {
diff --git a/drivers/common/sfc_efx/base/efx_mcdi.c b/drivers/common/sfc_efx/base/efx_mcdi.c
index 8cd651f529..dec3a170a7 100644
--- a/drivers/common/sfc_efx/base/efx_mcdi.c
+++ b/drivers/common/sfc_efx/base/efx_mcdi.c
@@ -60,6 +60,21 @@ static const efx_mcdi_ops_t	__efx_mcdi_ef10_ops = {
 
 #endif	/* EFX_OPTS_EF10() */
 
+#if EFSYS_OPT_RIVERHEAD
+
+static const efx_mcdi_ops_t	__efx_mcdi_rhead_ops = {
+	ef10_mcdi_init,			/* emco_init */
+	ef10_mcdi_send_request,		/* emco_send_request */
+	ef10_mcdi_poll_reboot,		/* emco_poll_reboot */
+	ef10_mcdi_poll_response,	/* emco_poll_response */
+	ef10_mcdi_read_response,	/* emco_read_response */
+	ef10_mcdi_fini,			/* emco_fini */
+	ef10_mcdi_feature_supported,	/* emco_feature_supported */
+	ef10_mcdi_get_timeout,		/* emco_get_timeout */
+};
+
+#endif	/* EFSYS_OPT_RIVERHEAD */
+
 
 
 	__checkReturn	efx_rc_t
@@ -98,6 +113,12 @@ efx_mcdi_init(
 		break;
 #endif	/* EFSYS_OPT_MEDFORD2 */
 
+#if EFSYS_OPT_RIVERHEAD
+	case EFX_FAMILY_RIVERHEAD:
+		emcop = &__efx_mcdi_rhead_ops;
+		break;
+#endif	/* EFSYS_OPT_RIVERHEAD */
+
 	default:
 		EFSYS_ASSERT(0);
 		rc = ENOTSUP;
-- 
2.17.1